mojo/gles2/command_buffer_client_impl.h

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef MOJO_GLES2_COMMAND_BUFFER_CLIENT_IMPL_H_
   6 #define MOJO_GLES2_COMMAND_BUFFER_CLIENT_IMPL_H_
   7
   8 #include <map>
   9
  10 #include "base/macros.h"
  11 #include "base/memory/scoped_ptr.h"
  12 #include "gpu/command_buffer/client/gpu_control.h"
  13 #include "gpu/command_buffer/common/command_buffer.h"
  14 #include "gpu/command_buffer/common/command_buffer_shared.h"
  15 #include "mojo/public/cpp/bindings/error_handler.h"
  16 #include "mojo/services/gles2/command_buffer.mojom.h"
  17
  18 namespace base {
  19 class RunLoop;
  20 }
  21
  22 namespace mojo {
  23 template <typename S>
  24 class SyncDispatcher;
  25
  26 namespace gles2 {
  27 class CommandBufferClientImpl;
  28
  29 class CommandBufferDelegate {
  30  public:
  31   virtual ~CommandBufferDelegate();
  32   virtual void ContextLost();
  33   virtual void DrawAnimationFrame();
  34 };
  35
  36 class CommandBufferClientImpl : public CommandBufferClient,
  37                                 public CommandBufferSyncClient,
  38                                 public ErrorHandler,
  39                                 public gpu::CommandBuffer,
  40                                 public gpu::GpuControl {
  41  public:
  42   explicit CommandBufferClientImpl(
  43       CommandBufferDelegate* delegate,
  44       MojoAsyncWaiter* async_waiter,
  45       ScopedMessagePipeHandle command_buffer_handle);
  46   virtual ~CommandBufferClientImpl();
  47
  48   // CommandBuffer implementation:
  49   virtual bool Initialize() OVERRIDE;
  50   virtual State GetLastState() OVERRIDE;
  51   virtual int32 GetLastToken() OVERRIDE;
  52   virtual void Flush(int32 put_offset) OVERRIDE;
  53   virtual void WaitForTokenInRange(int32 start, int32 end) OVERRIDE;
  54   virtual void WaitForGetOffsetInRange(int32 start, int32 end) OVERRIDE;
  55   virtual void SetGetBuffer(int32 shm_id) OVERRIDE;
  56   virtual scoped_refptr<gpu::Buffer> CreateTransferBuffer(size_t size,
  57                                                           int32* id) OVERRIDE;
  58   virtual void DestroyTransferBuffer(int32 id) OVERRIDE;
  59
  60   // gpu::GpuControl implementation:
  61   virtual gpu::Capabilities GetCapabilities() OVERRIDE;
  62   virtual gfx::GpuMemoryBuffer* CreateGpuMemoryBuffer(size_t width,
  63                                                       size_t height,
  64                                                       unsigned internalformat,
  65                                                       unsigned usage,
  66                                                       int32* id) OVERRIDE;
  67   virtual void DestroyGpuMemoryBuffer(int32 id) OVERRIDE;
  68   virtual uint32 InsertSyncPoint() OVERRIDE;
  69   virtual void SignalSyncPoint(uint32 sync_point,
  70                                const base::Closure& callback) OVERRIDE;
  71   virtual void SignalQuery(uint32 query,
  72                            const base::Closure& callback) OVERRIDE;
  73   virtual void SetSurfaceVisible(bool visible) OVERRIDE;
  74   virtual void SendManagedMemoryStats(const gpu::ManagedMemoryStats& stats)
  75       OVERRIDE;
  76   virtual void Echo(const base::Closure& callback) OVERRIDE;
  77   virtual uint32 CreateStreamTexture(uint32 texture_id) OVERRIDE;
  78
  79   void RequestAnimationFrames();
  80   void CancelAnimationFrames();
  81
  82  private:
  83   // CommandBufferClient implementation:
  84   virtual void DidInitialize(bool success) OVERRIDE;
  85   virtual void DidMakeProgress(CommandBufferStatePtr state) OVERRIDE;
  86   virtual void DidDestroy() OVERRIDE;
  87   virtual void LostContext(int32_t lost_reason) OVERRIDE;
  88
  89   // ErrorHandler implementation:
  90   virtual void OnConnectionError() OVERRIDE;
  91
  92   virtual void DrawAnimationFrame() OVERRIDE;
  93
  94   void TryUpdateState();
  95   void MakeProgressAndUpdateState();
  96
  97   gpu::CommandBufferSharedState* shared_state() const { return shared_state_; }
  98
  99   CommandBufferDelegate* delegate_;
 100   CommandBufferPtr command_buffer_;
 101   scoped_ptr<SyncDispatcher<CommandBufferSyncClient> > sync_dispatcher_;
 102
 103   State last_state_;
 104   mojo::ScopedSharedBufferHandle shared_state_handle_;
 105   gpu::CommandBufferSharedState* shared_state_;
 106   int32 last_put_offset_;
 107   int32 next_transfer_buffer_id_;
 108
 109   bool initialize_result_;
 110   MojoAsyncWaiter* async_waiter_;
 111 };
 112
 113 }  // gles2
 114 }  // mojo
 115
 116 #endif  // MOJO_GLES2_COMMAND_BUFFER_CLIENT_IMPL_H_